this derivation will be built: /nix/store/3akxa4jf07y2mm5irp81j61wq667a847-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/3akxa4jf07y2mm5irp81j61wq667a847-bcachefs-module-7.0.0-29-generic.drv'...